Alaska Airlines is the most reliable airline on the SAN to BOI route with a 81% on-time rate, compared to Southwest Airlines at 74%. Based on 395 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SAN to BOI
San Diego to Boise — airline reliability comparison
On-Time Rate by Airline
Alaska Airlines81%
SkyWest Airlines81%
Southwest Airlines74%
SAN to BOI Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Alaska AirlinesASBest | 81% | 0.7% | 50m | 395 |
| SkyWest AirlinesOO | 81% | 0.7% | 61m | 1,515 |
| Southwest AirlinesWNWorst | 74% | 0.4% | 53m | 595 |
Route Overview
79%
Overall On-Time
56m
Avg Delay
0.5%
Cancel Rate
2,620
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.